How to get from Hounslow to Lewisham?

There is no direct connection from Hounslow to Lewisham. However, you can take the Tube to Leicester Square Underground Station, take the walk to London Charing Cross, then take the train to Lewisham. Alternatively, you can take the train to Vauxhall Bus Station then take the line 436 bus to Lewisham, Molesworth Street.